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Table 1 Summary of data preparation for the logistic regression of equation (1) with outcome y and covariates x and z

From: Combining evidence for association from transmission disequilibrium and case-control studies using single-nucleotide polymorphisms

y x z Comments
1 1 0 TDT, heterozygous parent, allele 2 transmitted
0 1 0 TDT, heterozygous parent, allele 1 transmitted
1 i/2 1 Parent of case, i copies of allele 2
0 i/2 1 Control, i copies of allele 2